The new addition to the Environmental Express Oakton product line features updates to measuring water quality easier and faster. The larger LCD display is 2.75 in. by 2.0 in. for a better viewing angle, and has indicators for battery life, stability, and calibration. The ION 100 meter measures pH, mV, ion concentration of 16 commonly measured ions, and temperature.

The microprocessor-based meter features automatic calibration, automatic temperature compensation, function setup, self-diagnostics, automatic power-off, and low voltage display. The meter uses advanced digital processing technology, intelligently improving the response time and accuracy of your measurements. Easily switch units among pX, mol/L, and mg/L (ppm).